In Paris with his parents to sell family heirlooms, fourteen-year-old Greg Rich suddenly finds himself four hundred years in the past, and is aided by boys who will one day be known as "The Three Musketeers."

Nicolas de La Reynie, appointed by Louis XIV as the first police chief of Paris, pursues criminals through the labyrinthine neighborhoods of the city, unearths a tightly knit cabal of poisoners, witches, and renegade priests, and discovers that the distance between the quiet backstabbing world of the king's court and the criminal underground is disturbingly short. As he continues his investigations, La Reynie suspects that Louis's mistresses are involved...

"Istanbul, 1683: Mehmed IV, sultan of the Ottoman Empire, is preparing to lay siege to Vienna, capital of the Holy Roman Empire, when a mysterious visitor arrives in his bedroom--naked, covered in strange tattoos--to deliver a dangerous, world-changing message. Paris, 2017: Ottoman flags have been flying over the great city for three hundred years, ever since its fall--along with all of Europe--to the empire's all-conquering army. Notre Dame has been...

"When the Musketeers pursue the dangerous Michel Dinicoeur to Spain, they're ambushed at every turn, causing them to suspect that there may be a traitor within their own ranks"--

In 1655 sixteen-year-old Tania is the daughter of a retired musketeer, but she is afflicted with extreme vertigo and subject to frequent falls; when her father is murdered she finds that he has arranged for her to attend Madame de Treville's newly formed Académie des Mariées in Paris, which, it turns out, is less a school for would-be wives, than a fencing academy for girls--and so Tania begins her training to be a new kind of musketeer, and to...